recur vs fall out

recur and fall out both are verbs.

Word	Noun	Adjective	Verb	Adverb
recur	No	No	Yes	No
fall out	No	No	Yes	No

As verbs, fall out is a hypernym of recur; that is, fall out is a word with a broader meaning than recur:

Other hypernyms of recur include come about, go on, hap, happen, occur, pass, pass off, take place.

recur (verb)	fall out (verb)
happen or occur again	come to pass
return in thought or speech to something	have a breach in relations
have recourse to	drop out
	leave (a barracks) in order to take a place in a military formation, or leave a military formation
	come as a logical consequence; follow logically